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Article: The effect of different implant neck configurations on soft and hard tissue healing: A randomized-controlled clinical trial

TitleThe effect of different implant neck configurations on soft and hard tissue healing: A randomized-controlled clinical trial
Authors
KeywordsClinical outcomes
Dental implants
Marginal bone levels
Randomized-controlled clinical trial
Standard Plus ® implants
Issue Date2011
PublisherWiley-Blackwell Publishing, Inc.. The Journal's web site is located at http://www.blackwellpublishing.com/journals/CLR
Citation
Clinical Oral Implants Research, 2011, v. 22 n. 1, p. 14-19 How to Cite?
AbstractObjective: To compare the soft and hard tissue healing and remodeling around tissue-level implants with different neck configurations after at least 1 year of functional loading. Material and methods: Eighteen patients with multiple missing teeth in the posterior area received two implants inserted in the same sextant. One test (T) implant with a 1.8 mm turned neck and one control (C) implant with a 2.8 mm turned neck were randomly assigned. All implants were placed transmucosally to the same sink depth of approximately 1.8 mm. Peri-apical radiographs were obtained using the paralleling technique and digitized. Two investigators blinded to the implant type-evaluated soft and hard tissue conditions at baseline, 6 months and 1 year after loading. Results: The mean crestal bone levels and soft tissue parameters were not significantly different between T and C implants at all time points. However, T implants displayed significantly less crestal bone loss than C implants after 1 year. Moreover, a frequency analysis revealed a higher percentage (50%) of T implants with crestal bone levels 1-2 mm below the implant shoulder compared with C implants (5.6%) 1 year after loading. Conclusion: Implants with a reduced height turned neck of 1.8 mm may, indeed, lower the crestal bone resorption and hence, may maintain higher crestal bone levels than do implants with a 2.8 mm turned neck, when sunk to the same depth. Moreover, several factors other than the vertical positioning of the moderately rough SLA surface may influence crestal bone levels after 1 year of function. © 2010 John Wiley & Sons A/S.
Persistent Identifierhttp://hdl.handle.net/10722/154648
ISSN
2023 Impact Factor: 4.8
2023 SCImago Journal Rankings: 1.865
ISI Accession Number ID
Funding AgencyGrant Number
Clinical Research Foundation (CRF) for the Promotion of Oral Health, Brienz BE, Switzerland
ITI Foundation
Funding Information:

The authors would like to express their special thanks to Drs Andrea Albert Kiszely, Suprenee Benjasupattananan, Caroline Fischer, Stefan Imwinkelried, Michael Krahenmann, Mette Rylev Agerbaek and Anita Wehrle Fuchs for their clinical work, which contributed to this study. This study was supported by the Clinical Research Foundation (CRF) for the Promotion of Oral Health, Brienz BE, Switzerland. W. C. Tan was an ITI Scholar for the year 2006/2007 (ITI Foundation educational grant).

References

 

DC FieldValueLanguage
dc.contributor.authorTan, WCen_US
dc.contributor.authorLang, NPen_US
dc.contributor.authorSchmidlin, Ken_US
dc.contributor.authorZwahlen, Men_US
dc.contributor.authorPjetursson, BEen_US
dc.date.accessioned2012-08-08T08:26:42Z-
dc.date.available2012-08-08T08:26:42Z-
dc.date.issued2011en_US
dc.identifier.citationClinical Oral Implants Research, 2011, v. 22 n. 1, p. 14-19en_US
dc.identifier.issn0905-7161en_US
dc.identifier.urihttp://hdl.handle.net/10722/154648-
dc.description.abstractObjective: To compare the soft and hard tissue healing and remodeling around tissue-level implants with different neck configurations after at least 1 year of functional loading. Material and methods: Eighteen patients with multiple missing teeth in the posterior area received two implants inserted in the same sextant. One test (T) implant with a 1.8 mm turned neck and one control (C) implant with a 2.8 mm turned neck were randomly assigned. All implants were placed transmucosally to the same sink depth of approximately 1.8 mm. Peri-apical radiographs were obtained using the paralleling technique and digitized. Two investigators blinded to the implant type-evaluated soft and hard tissue conditions at baseline, 6 months and 1 year after loading. Results: The mean crestal bone levels and soft tissue parameters were not significantly different between T and C implants at all time points. However, T implants displayed significantly less crestal bone loss than C implants after 1 year. Moreover, a frequency analysis revealed a higher percentage (50%) of T implants with crestal bone levels 1-2 mm below the implant shoulder compared with C implants (5.6%) 1 year after loading. Conclusion: Implants with a reduced height turned neck of 1.8 mm may, indeed, lower the crestal bone resorption and hence, may maintain higher crestal bone levels than do implants with a 2.8 mm turned neck, when sunk to the same depth. Moreover, several factors other than the vertical positioning of the moderately rough SLA surface may influence crestal bone levels after 1 year of function. © 2010 John Wiley & Sons A/S.en_US
dc.languageengen_US
dc.publisherWiley-Blackwell Publishing, Inc.. The Journal's web site is located at http://www.blackwellpublishing.com/journals/CLRen_US
dc.relation.ispartofClinical Oral Implants Researchen_US
dc.subjectClinical outcomes-
dc.subjectDental implants-
dc.subjectMarginal bone levels-
dc.subjectRandomized-controlled clinical trial-
dc.subjectStandard Plus ® implants-
dc.subject.meshAdulten_US
dc.subject.meshAlveolar Bone Loss - Etiology - Prevention & Control - Radiographyen_US
dc.subject.meshBone Densityen_US
dc.subject.meshBone Regenerationen_US
dc.subject.meshChi-Square Distributionen_US
dc.subject.meshDental Implantation, Endosseous - Adverse Effectsen_US
dc.subject.meshDental Implantsen_US
dc.subject.meshDental Prosthesis Designen_US
dc.subject.meshDouble-Blind Methoden_US
dc.subject.meshFemaleen_US
dc.subject.meshHumansen_US
dc.subject.meshMaleen_US
dc.subject.meshPeri-Implantitis - Prevention & Controlen_US
dc.subject.meshProsthesis-Related Infections - Prevention & Controlen_US
dc.subject.meshStatistics, Nonparametricen_US
dc.subject.meshTreatment Outcomeen_US
dc.subject.meshWound Healingen_US
dc.titleThe effect of different implant neck configurations on soft and hard tissue healing: A randomized-controlled clinical trialen_US
dc.typeArticleen_US
dc.identifier.emailLang, NP:nplang@hkucc.hku.hken_US
dc.identifier.authorityLang, NP=rp00031en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1111/j.1600-0501.2010.01982.xen_US
dc.identifier.pmid21091792en_US
dc.identifier.scopuseid_2-s2.0-78650192193en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-78650192193&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume22en_US
dc.identifier.issue1en_US
dc.identifier.spage14en_US
dc.identifier.epage19en_US
dc.identifier.isiWOS:000285390700003-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridTan, WC=15052310400en_US
dc.identifier.scopusauthoridLang, NP=7201577367en_US
dc.identifier.scopusauthoridSchmidlin, K=24476651100en_US
dc.identifier.scopusauthoridZwahlen, M=7004748418en_US
dc.identifier.scopusauthoridPjetursson, BE=6506841442en_US
dc.identifier.issnl0905-7161-

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